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