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