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