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