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