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