Most of these infographics are tutorials covering various topics in big data, machine learning, visualization, data science, Hadoop, R or Python, typically intended for beginners. Some are cheat sheets and can be nice summaries for professionals with years of experience. Some, popular a while back (you will find one example here) were designed as periodic tables.

For Geeks 

• Data Science Wars: R versus Python 
• Three periodic tables for data scientists 
• Cheat Sheet: Data Visualization with R 
• Cheat sheet: data visualization in Python 
• Comparing Data Science and Analytics 
• Great Machine Learning Infographics 

For Business People

• Infographics on data quality 
• Unstructured Data: InfoGraphics 
• The Data Science Ecosystem in One Tidy Infographic 
• Big data and the retail industry: infographics 
• Infographics: The Half Life of Data 
• What is Hadoop? Great Infographics Explains How it Works 
• What is big data - Infographics by Bernard Marr 

Infographics Repositories

• 24 Data Science, R, Python, Excel, and Machine Learning Cheat Sheets 
• 72 Infographics about big data 
• A pletora of big data infographics