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