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