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