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