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