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