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)(17,18,21,24)(19,22,26,25)(20,23,29,28)(27,30,32,31)(1,2,5,4)(3,8,7,6)(9,11,14,13)(10,15,12,16)(17,18)(19,25)(20,23)(21,24)(22,26)(27,31)(28,29)(30,32)(1,3,5,7)(2,6,4,8)(9,11,14,13)(10,16,12,15)(19,26)(22,25)(27,32)(30,31)(2,4)(6,8)(9,12,14,10)(11,15,13,16)(17,18)(19,22)(20,28)(21,24)(23,29)(25,26)(27,31)(30,32)(1,3)(2,6)(4,8)(5,7)(9,13,14,11)(10,15,12,16)(17,19)(18,22)(20,27)(21,26)(23,30)(24,25)(28,31)(29,32)(1,4,5,2)(3,8,7,6)(17,20,21,29)(18,23,24,28)(19,27,26,32)(22,30,25,31)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.