To change the order in which you employees show in the appointment book, follow these steps:
Select the Appointment Book Icon.
Select Options in either the bottom right or bottom left, and then choose Calendar View Options.
The Appointment Book Options dialog box will open. Click on the Color Codes tab.
In the Employee and Resource Color Codes and Appointment Book Order section, click once on the employee that you wish to move. Press Move Up or Move Down to adjust the order. Note the higher up on the list, the more to the left the employee will appear on the appointment book.
Repeat for each employee you wish to move.
Press Apply and the OK when finished.