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