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