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