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