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