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)(11,12)(13,14)(15,16)(17,18)(19,22)(20,29)(21,25)(23,26)(24,28)(27,32)(30,31)(1,3,4,7)(2,5,6,8)(10,14)(11,15)(17,19)(18,22)(20,21)(23,27)(24,30)(25,29)(26,32)(28,31)(1,2)(3,5)(4,6)(7,8)(9,11,13,15)(10,12,14,16)(19,27)(21,31)(22,32)(25,30)(9,12)(10,15)(11,14)(13,16)(17,20)(18,24)(19,21)(22,30)(23,28)(25,32)(26,29)(27,31) involution — undirected(1,3)(2,5)(4,7)(6,8)(17,21)(18,25)(19,28)(20,27)(22,24)(23,31)(26,30)(29,32) involution — undirected(1,2)(3,5)(4,6)(7,8)(17,22)(18,19)(20,30)(21,24)(23,32)(25,28)(26,27)(29,31) involution — undirectedA 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.