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