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