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