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