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