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