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