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