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