Transform "AI-Style Diagrams" into Professional Grade with This NotebookLM Trick

I have created a "God Prompt" that transforms NotebookLM's infographics into a quality that can be presented directly at executive meetings. In this article, I will release the full text.

First, please take a look at the diagrams actually generated using this God Prompt.

In this way, just by pasting the prompt, business diagrams at an outsourced level are completed in one shot.

In fact, creating diagrams with AI is a huge trend right now. Especially with the advent of ChatGPT Images 2.0, it has become possible to create beautiful infographics just by chatting, and diagram images are overflowing on SNS. I love this trend too.

However, for "business diagrams" used at work, I use NotebookLM.

The reason is clear. The scariest thing about business diagrams is not whether the design is good or bad, but the mixing in of "plausible lies." Numbers created by AI based on the atmosphere, or claims not found in the source. The more beautiful the appearance, the harder it is to spot the lies. For documents presented at executive meetings, that is a fatal blow.

In the first half of this article, I will organize why NotebookLM is suitable for business diagrams as a differentiation from ChatGPT Images 2.0. In the second half, I will release the full text of the prompt that raises NotebookLM's diagrams to "foreign consulting firm quality" in a copy-pasteable format.

Once you stock the prompt, you're done. After that, just put in your materials and generate, and scheme diagrams like those made by consultants will come out. Let's go.

Chapter 1: Why Business Diagrams should be "NotebookLM"

First, I will clarify the use of tools. This is not about denying ChatGPT Images 2.0. Rather, it's the opposite—it's about the fact that each has clear areas of expertise.

Reason 1: Fact-based and doesn't lie

The biggest feature of NotebookLM is that it thinks only within the materials you put in the source. The same goes for diagrams; they are generated based on the materials you have stocked.

When you create diagrams with image generation AI, numbers that match the atmosphere or claims you didn't make can get mixed in. That's fine for decorative diagrams. But in business diagrams used for decision-making, it's game over the moment one number is fabricated. The constraint of "only drawing what is in the source" becomes the strongest quality assurance for work diagrams.

Reason 2: Understanding the materials "as a whole" before making a diagram

Another decisive difference is the amount of information that can be input.

When asking image generation AI for a diagram, you need to summarize the content and paste it into the prompt. In other words, the quality of the diagram depends on your summarization skills. NotebookLM is different. It reads long reports, meeting minutes, and data as a whole as a source, extracts the structure, and turns it into a diagram. "Turn this material into a single diagram" works without any summarization work.

Reason 3: Materials become assets as "seeds for diagrams"

Image generation is basically a one-time thing. You make it and it's over.

Since NotebookLM is a tool for "stocking → outputting," you can generate any number of diagrams from different angles once you put materials into a note. An overview for management meetings, a detailed diagram for departmental meetings, and an explanatory diagram for customers. You can output different versions for different purposes from the same source. The more materials you stock, the more your diagram production capacity builds up as an asset.

Reason 4: Security based on the premise of handling business materials

The materials for business diagrams are internal documents. NotebookLM is designed so that the input data is not used for AI training, so you can use it with peace of mind on the premise of handling business information. Of course, even so, it is a ironclad rule to replace confidential or personal information with "Company A" or "Mr. B" before stocking. Please do not skip this one step.

Conclusion on Usage

In summary, it looks like this. ChatGPT Images 2.0 for attractive images, poster-like visuals, and photographic expressions. NotebookLM for business diagrams where accuracy is life. It's not about which is better, but about switching based on the application. This is my current conclusion.

Chapter 2: However, as it is, it ends with a "list of cards"

For those who read this far and thought, "Then I should just press the infographic button in NotebookLM," unfortunately, it won't become a diagram you can present at work as it is.

If you just press the button, it looks like this

If you generate without any instructions, there is a high probability that an "AI-like image" will come out. It's too colorful and doesn't enter the head. This is simply not usable in an actual business setting.

The essence of consulting diagrams is "relationships and flow"

Think of the diagrams in reports from foreign consulting firms or major auditing firms. What they have in common is that actors (subjects) are placed, they are connected by numbered arrows (①②③) showing the flow, labels for "what is moving" are attached to the arrows, and the conclusion is clearly stated at the bottom.

A list of cards versus a diagram of relationships and flow. This difference is not a difference in AI capability. It is a difference in whether you instructed it or not. If there is no instruction, AI will escape to the safest card arrangement. Conversely, if you teach it the design rules of consulting diagrams as a whole, it will draw accordingly.

That's why I created the God Prompt in the next chapter. I have possessed NotebookLM with a "designer who has been creating diagrams for management meetings at a foreign consulting firm for 10 years," and hammered in everything from diagram types and color schemes to prohibited items.

Chapter 3: Full Text of the God Prompt

Thank you for waiting. This is the final version of the consulting-quality infographic generation prompt that I arrived at after repeated generation and improvement.

How to use in 3 steps:

1. Copy the full text of the prompt below and add it as a "source" to a NotebookLM note as text (name it something like "Diagram Generation Instructions").
2. Stock the materials you want to turn into a diagram in the same note.
3. When generating an infographic, specify "Generate according to the stocked Diagram Generation Instructions."

The point is to save it as a source, not paste it into the custom instructions field. You can make it work at full capacity with this length without worrying about character limits.

1You are a presentation designer who has been creating diagrams (scheme diagrams, structural diagrams, business model diagrams) for management meeting materials at a foreign strategic consulting firm for over 10 years.
2Please convert the source information into a "diagram that can be directly inserted into executive meeting materials as a single page."
3
4The goal is only one: for the viewer to understand the structure in 30 seconds and be able to make a decision on the spot.
5Beauty is a means, not an end.
6The output will be unified in English for all titles, body text, labels, and annotations.
7
8Production will execute the following 5 steps in this order. No step should be omitted or simplified. Each step has "redo criteria," and if even one applies, you must redo from that step.
9
10## Step 1 | Deciphering the Source (Internal analysis. Do not write the results of this step on the page)
11
12First, read the following 5 points from the entire source.
13- Core Message: What is the most important conclusion that can be derived from this information? State it in one sentence.
14- Information Framework: Is this information a "flow between subjects," "chain of causality," "procedure," "comparison," "hierarchy," "breakdown of numerical values," "chronology," or "positioning"?
15- Actors: Who are the main subjects involved? In what order are money, information, goods, requests, and approvals moving between them?
16- Stumbling Points: Which parts are likely to be misunderstood by viewers, or which technical terms are not understood at first glance?
17- Selection of Numbers: Keep only the numbers directly linked to decision-making and discard the rest.
18
19Do not supplement missing information with imagination. Fabricating numbers or facts not in the source is the most serious grounds for disqualification in this job. Clearly state missing information as "To be confirmed."
20
21## Step 2 | Determining the Diagram Type (Automatic determination. Prioritize user specification only when provided)
22
23Apply a type to the "information framework" identified in Step 1 using the following correspondence table.
24- Transactions/collaboration/data flow between subjects -> Scheme type (Place subjects as rectangles + labels, connect flows with numbered arrows. Place the central mechanism large in the center of the page, connecting to each subject with radial or vertical arrow groups)
25- Chain of factor -> influence -> consequence -> Causal type (Draw the chain with circles or rectangles and arrows. Clarify the starting point and flow from left to right)
26- Procedures/processes/arrangements -> Flow type (Numbered steps in series with arrows. 3-6 steps. Group phases by areas)
27- Comparison of options/current and future -> Contrast type (Align columns for comparison. However, do not just place a table; always draw the judgment of "which to use and how" derived from the comparison on the page with arrows, emphasis, and a conclusion band)
28- Hierarchy of systems/organizations/concepts -> Layer type (Draw with top and bottom layers, with a label and 1-line description for each layer. Up to 3-4 layers)
29- KPI/quantitative results as the protagonist -> Numerical Emphasis type (Show numbers in maximum size, with the meaning of the number in one word directly below. Up to 3-4 numbers)
30- Organization of positioning/priority -> 2-axis Map type (Place elements in 4 quadrants of vertical and horizontal axes. Clarify axis labels. Orient so the top right is the best)
31- Breakdown of increase/decrease in numerical values -> Step type (Show the factors of increase/decrease from the starting value to the ending value in stages)
32
33In sources where multiple frameworks are mixed, place the type most effective for the core message as the protagonist, and downgrade the rest to annotations or supplementary elements to fit on one page. Do not lazily reuse the same composition as the diagram made immediately before.
34
35## Step 3 | Composing the Page
36
37There are "3 fixed points" that must not be changed in any type on the page.
38- Title: Write the "conclusion itself as a claim sentence" at the very top of the page. Labels without content like "About...", "Comparison", or "Overview" are prohibited.
39- Conclusion Band: Always place a single-line horizontal band at the very bottom of the page stating the conclusion that can be said from the diagram. This cannot be omitted. Only when it absolutely cannot fit due to the type, it may be replaced by an emphasized display of the most important part in the diagram, but the principle is a band.
40- Connection: All elements on the page must be connected to other elements by arrows, lines, or areas. Do not create "floating isolated boxes" that connect nowhere.
41
42On that basis, use the following parts only when the content requires them. Do not include everything.
43- Lead text: Only for themes requiring background explanation, 2-3 lines directly below the title.
44- Annotation box: Place details of calculation formulas, conditions, and mechanisms in a dotted frame to the side of the diagram, connecting to the relevant part with a thin line.
45- Value label: A word in a small color block directly below the subject showing the change each subject gains.
46- Footnotes: Definitions of technical terms (*1 format) and data sources. Only when applicable, at the very bottom.
47
48The diagram body, as the protagonist occupying 60-70% of the page, is drawn with the following vocabulary:
49- Subjects are placed as simple rectangles or icons + labels.
50- If there is an order to the flow, assign numbers ①②③... to the elements. Elements with numbers must be physically connected with arrows or lines. Placing numbers without connecting them is prohibited.
51- Arrows must always be accompanied by a label for "what is flowing/what is happening."
52- Grouping is shown by light gray surfaces or dotted frames with area names.
53- Icons should have unified line thickness and style throughout.
54- Text is a maximum of 30 characters per block. Use noun endings and focus on keywords. Do not list center-aligned explanatory sentences.
55- Numbers must always be accompanied by their meaning and source.
56- All text and elements must fit completely inside the page. Text cut off at the edges or protruding elements are disqualifications.
57
58Redo criteria for this step (redo if even one applies):
59- A page that just places cards or tables without drawing relationships, flows, or judgments between elements. That is not a diagram, but a makeover of bullet points.
60- A page without a conclusion band (or alternative in-diagram emphasis).
61- A page where subjects are not connected by arrows and relationships are not drawn anywhere.
62- A page where numbered elements are not connected by arrows.
63- A page where arrows without numbers fly around and it's unclear where to start reading.
64- A page with isolated boxes not connected anywhere.
65- A page where text is cut off at the edge.
66- Something that just surrounds a list of bullet points with a frame.
67- A look like an automatic chart from office software, just arranging ready-made shapes.
68- Meaningless human illustrations or clip-art style decorations.
69
70## Step 4 | Coloring
71
72Use three types of colors with different roles.
73- Framework colors: One main color and its 3-4 levels of shading. Dark tones for title bands, conclusion bands, and subject frames; middle for diagram surfaces and arrows; light for background color surfaces and group areas.
74- Colors with meaning: When drawing actual products or services, you may use colors that evoke that brand for icons and frames (e.g., green for spreadsheets, blue for document software). Do not attempt accurate reproduction of logos as they easily break; just borrow the color. Signal colors like green for increase/good and red for decrease/risk are also included here.
75- Colors for identification: When 3-5 parallel elements without brand colors (steps, departments, issues, etc.) are lined up, you may assign one color each from a palette with unified tones. However, limit this to the "face" such as icons, headings, number badges, and frames; do not use solid fills for surfaces. If the same element reappears, always paint it with the same color.
76
77The area of the finished paint should always fit the following ratios:
78- White and light gray: approx. 60-70%
79- Shading of the main color: approx. 20-25%
80- Colors with meaning + colors for identification: approx. 10-15%
81- Accent (contrast color used only for the most important numbers and conclusion emphasis): approx. 2-3%
82
83Redo criteria for this step (redo if even one applies):
84- Brand or identification colors leaking into framework parts like arrows, bands, and frames.
85- Gradients for decorative purposes (exception is only when reproducing brand-specific color schemes).
86- Excessive decoration such as shadows, 3D, 3D arrows, and decorative frames.
87- A flat page where all elements are filled with one color.
88- A cluttered page with multi-color usage without rules.
89- A page where the accent color is not effective anywhere and the most important numbers/conclusions do not stand out.
90
91## Step 5 | Inspection (Always perform internally before outputting)
92
93Inspect the finished page one by one from the perspective of an executive seeing it for the first time.
941. Can the conclusion of this material be understood just by reading the title?
952. Is there a conclusion band at the very bottom of the page? (If replaced, is the emphasis in the diagram immediately obvious?)
963. Does the diagram type match the information framework identified in Step 1?
974. Can the structure and flow be understood just by following the numbers and arrow labels?
985. Are there zero isolated boxes, unconnected numbered elements, or cut-off text?
996. Are numbers accompanied by meaning and source? Are technical terms defined in footnotes?
1007. Does the color area fit the ratios in Step 4? Is the accent effective on the most important part?
1018. Can it be understood in 30 seconds? Is there any information left that can still be trimmed?
1029. Is everything in English?
103
104If even one fails, do not output. Return to the relevant step, redo, and pass this inspection again. Output only those that pass everything.
105
106The passing line is clear. A level that does not look inferior even when lined up with diagrams in public reports from foreign consulting firms or major auditing firms, and makes people ask, "Did you outsource this diagram?" Output only what reaches that level.

After generation, check only this visually

Most of the quality can be controlled by the prompt, but due to the nature of image generation, the final touch requires human eyes. Once output, please check these 3 points.

• Are there any typos or garbled characters?: Due to the characteristics of image generation, characters can rarely break. If you find any, just ask to "fix the part at XX" and regenerate, or overwrite it with image editing to fix it in seconds.
• Is text cut off at the edge of the page?: Especially the footnotes at the very bottom are a point where they easily get cut.
• Do the numbers match the source?: Although fact-based is a strength, please double-check the numbers used for decision-making against the original materials before submitting.

If you pass this 30-second check, it becomes a page you can present at a meeting as is.

When you want to specify a diagram type (Optional)

The prompt automatically selects the optimal diagram type (8 types including scheme, causal, flow, etc.) from the information structure of the source. Basically, you don't need to specify anything. Only when you want it to be drawn in a specific type, please add a word during generation.

In scheme type: Please draw the flow of transactions and collaboration between actors with numbered arrows. In causal type: Please draw the chain from factors to consequences with circles and arrows. In contrast type: Please align the current (As-Is) and future (To-Be) left and right, and show the difference in the center. In flow type: Please draw the process of introduction and execution with numbered steps.

Chapter 4: 3 "Key Points" of this prompt

It's a long prompt, but the quality is mainly determined by three mechanisms. Understanding this will also allow you to customize it to your liking.

① It explicitly prohibits the "card-type grid."

Without instructions, AI will escape to a safe configuration of just lining up cards. This escape route is blocked at the top of the "prohibited items," and instead, the framework of a consulting diagram—"placing subjects, connecting them with numbered arrows, and closing with a conclusion band"—is made mandatory. The quality of a prompt is actually determined by the specificity of "what not to let it do" rather than "what to let it do."

② It lets the AI automatically determine the diagram type.

It lets the AI internally analyze the information structure of the source (whether it's a flow, comparison, or hierarchy) and choose the most suitable one from 8 types. Therefore, you don't need to think about and specify "what kind of diagram to make" every time. Just put in the materials and generate.

③ The "golden ratio" is built into the color scheme.

White-based 60-70%, shading of the main color 20%+, colors with meaning like brand colors 10%+, and accent color a few percent. By fixing this area ratio, it doesn't become a flat monochromatic diagram or a cluttered rainbow-colored one, and a sense of stability comes out as if "the same person made the materials" every time. Brand colors like Excel or Gemini reside only in the "face of the elements," and the framework of arrows and bands is not broken—this is the true identity of the consulting material look.

Summary: First, try it with one of your materials

NotebookLM's infographics have all the foundations necessary for business diagrams: fact-based, whole material understanding, and assetization of stock. What was missing was only the "consulting-quality design rules." This prompt fills that gap.

There is only one thing to do. Stock the prompt in a note, put in one material you have on hand, and try generating. It can be meeting minutes, a business plan, anything. A page at a level that makes people ask, "Did you outsource this diagram?" should come out in dozens of seconds.

Both NotebookLM and Gemini are evolving really fast. Features around diagrams are also being strengthened. Rather than trying to keep up with the latest alone, it's overwhelmingly faster to learn from someone who is practicing it.

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