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