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