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