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