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