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