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