One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6)(7,8)(9,10,13,12)(11,15,16,14)(19,26)(20,21)(23,27)(24,30)(28,29)(31,32)(9,11,13,16)(10,14,12,15)(17,18)(19,27)(20,24)(21,30)(22,25)(23,26)(28,31)(29,32)(1,2,3,4)(9,10,13,12)(11,14,16,15)(17,19,20,28,22,29,21,26)(18,23,30,32,25,31,24,27)(6,8)(9,12,13,10)(11,14,16,15)(17,20,22,21)(18,24,25,30)(19,28,29,26)(23,27,31,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.