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