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