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