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