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