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