If you are thinking about doing your infographic online, check out these resources before making your final decision. You will not get time in class to decide. These need to be figured out before hand so you can get right to work. If you find they these are too cumbersome and not worth it, make that decision before you begin so you don't waste time. Anything not done in class is expected to be finished as homework.
REMEMBER: I am NOT a resource for this as I do NOT know how to use these sites.
Infographic sites that we've used in the past: