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