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