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