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