One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(9,10,14,12)(11,16,13,15)(17,18)(19,22)(20,25)(21,26)(23,28)(24,30)(27,31)(29,32)(6,8)(9,10,14,12)(11,15,13,16)(18,19)(23,25)(24,26)(31,32)(5,6)(7,8)(9,11,14,13)(10,15,12,16)(17,19,22,18)(20,25,28,23)(21,26,30,24)(27,32,29,31)(1,2,3,4)(9,12,14,10)(11,16,13,15)(17,20)(18,23)(19,25)(21,29)(22,28)(24,32)(26,31)(27,30)(9,13,14,11)(10,16,12,15)(17,21)(18,24)(19,26)(20,27)(22,30)(23,31)(25,32)(28,29)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.