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