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