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