Starwars.com has updated with pictures and profiles in their databank of several Senators from Episode II. In case that part of the movie wasn't so clear, this should help you out a ton:

There is unrest in the Galactic Senate. A growing Separatist movement is threatening to split the Republic in two. For years, loyal Senators, under the direction of Supreme Chancellor Palpatine, have struggled to maintain order, but even the beleaguered Jedi Knights aren't enough to keep the peace in the fragmenting chaos. Here are some of the most influential loyalists in the waning days of the Republic.