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