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