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