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