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