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