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