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