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