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