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