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