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