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