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