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