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