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