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