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