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