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