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