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