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