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