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