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