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