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