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