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