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