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