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