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