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