The more time you put into consultation preparation, the more you will get out of it. The third step is to present your findings orally. Use the rest of the time to present details of argument, evidence, and other material that you deem important or interesting. End with a short, snappy conclusion that drives home your main message. Don't overcrowd your visuals.
Tiny print is a common problem that's easily avoidable.
See the Presentation guidelines for further advice. Take special care to hone your timing and delivery. It's always clear which teams or individuals have practiced and which have not. You don't want to merely read your notes. Familiarize yourself with them so that you only need to refer to them every now and then.