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