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