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