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