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