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