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