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