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