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