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