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