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