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