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