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