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