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