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