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