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