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