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