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