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