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