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