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