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