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