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