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