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