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