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