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