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