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