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