Of course you should just poke the icon at this point.
Clicking the icon again would put the calendars side by side again.
Switching back and forth between the tabs will visually highlight the items for that calendar.
Overlay Calendars in Outlook 2007 (like Google Calendar does)
Remembering to update a single calendar is tough enough for me, but many people use multiple calendars to keep track of teams or events. But what if you want to view all the items merged together into one calendar, similar to the way Google Calendar does?
