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