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