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