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