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