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