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