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