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