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