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