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)(17,18)(19,26)(20,24)(21,29)(22,25)(23,27)(28,31)(30,32)(1,3,5,15,7,13,6,10)(2,8,14,16,9,4,11,12)(2,9)(3,13)(10,15)(11,14)(17,19,22,28)(18,23,25,32)(20,27,21,30)(24,31,29,26)(1,4)(2,10)(3,14)(5,12)(6,16)(7,8)(9,15)(11,13)(17,18)(19,23)(20,29)(21,24)(22,25)(26,27)(28,32)(30,31) involution — undirected(1,5,7,6)(2,11,9,14)(3,15,13,10)(4,16,8,12)(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.