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