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