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