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