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