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