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