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