To get an idea about how to design an infographic that will be turn heads, first of all you need to considered what main ideas you want to present in front of your audience and then think visually about presenting your knowledge.
Infographics are best for telling a story, almost any story, really well. Whether you want to communicate a few simple ideas, or explain some weird acronyms or if you have a any new idea that you want people to understand just go visual. So just take the plunge, give your best, and go visually.
Here is an infographic that represent the ideas for making an eye catching Infographic: