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