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