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