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