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