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)(11,13)(12,14)(15,16)(17,18,21,24,22,25,30,20)(19,26,28,32,29,27,31,23)(2,3)(9,11,12,15)(10,13,14,16)(17,19,22,29)(18,23,25,32)(20,26,24,27)(21,31,30,28)(10,14)(13,16)(17,18,21,24,22,25,30,20)(19,27,28,23,29,26,31,32)(1,3,4,2)(6,8)(17,20,30,25,22,24,21,18)(19,23,31,27,29,32,28,26)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.