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