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