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