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