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