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