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