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)(11,13)(12,14)(15,16)(19,25)(20,26)(22,28)(24,29)(27,31)(30,32)(2,5)(6,7)(9,11,13,10)(12,14,16,15)(17,18,21,23)(19,22,27,30)(20,24,26,29)(25,28,31,32)(9,12,15,11,13,16,14,10)(17,19,26,31,21,27,20,25)(18,22,29,32,23,30,24,28)(1,3,4,8)(2,6,5,7)(10,11)(12,16)(18,23)(22,30)(24,29)(28,32)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.