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