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