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