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