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