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