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