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