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