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)(17,18,21,24,22,25,30,20)(19,23,28,26,27,31,32,29)(1,3,4,7)(2,5,6,8)(9,10)(11,15)(12,14)(13,16)(18,20)(21,30)(23,29)(24,25)(26,31)(28,32)(2,6)(5,8)(9,11,12,16)(10,13,14,15)(17,19)(18,23)(20,29)(21,28)(22,27)(24,26)(25,31)(30,32)(11,16)(13,15)(17,20,21,18,22,24,30,25)(19,26,28,31,27,29,32,23)(10,14)(13,15)(19,27)(23,31)(26,29)(28,32) 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.