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