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