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