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