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