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