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