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