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