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