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