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