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