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)(17,18,21,26)(19,28,29,24)(20,23,27,22)(25,31,32,30)(2,6)(7,8)(9,10)(11,14)(12,13)(15,16)(17,19)(18,24)(20,25)(21,29)(22,31)(23,30)(26,28)(27,32) involution — undirected(1,3,5,4)(2,7,6,8)(10,13)(14,15)(17,19,22,30,21,29,23,31)(18,25,27,28,26,32,20,24)(9,11,12,16)(10,14,13,15)(17,20,22,18,21,27,23,26)(19,28,30,32,29,24,31,25)(1,4,5,3)(2,7,6,8)(18,26)(20,27)(24,28)(25,32)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.