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