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