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