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