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