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