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