How to view multiple calendars in Outlook
This Microsoft support page will walk you through the basic steps, but here's what it looks like on our system.
Side by side calendar view looks like this:
For navigating to shared calendars, see the guide How_to_reserve_an_EMu_workstation#Reservations_using_MS_Office_Outlook
Once you have found the calendar you want to view frequently, right click on the name and pick 'Add to Favorites'. This calendar will now show up in your navigation panel and can be clicked on and off using the check boxes.