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