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