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