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