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