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