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