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