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