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