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