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