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