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