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