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)(17,18,22,23)(19,27,28,24)(20,30,31,25)(21,29,32,26)(6,8)(9,11,14,16)(10,15,13,12)(18,23)(19,28)(20,31)(21,32)(5,6)(7,8)(17,19,22,28)(18,24,23,27)(20,29,31,26)(21,25,32,30)(1,2,3,4)(9,12)(10,11)(13,16)(14,15)(17,20,22,31)(18,25,23,30)(19,29,28,26)(21,24,32,27)(9,13,14,10)(11,15,16,12)(17,21,22,32)(18,26,23,29)(19,25,28,30)(20,27,31,24)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.