One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,10)(4,8)(5,14)(6,9)(7,11)(12,15)(13,16)(17,18,21,27,23,29,22,28)(19,30,32,46,34,40,33,47)(20,26,36,45,37,25,38,44)(24,39,41,35,43,48,42,31)(1,3)(2,7,9,16)(4,13)(5,11)(6,12)(8,10,14,15)(17,19,22,33,23,34,21,32)(18,24,28,42,29,43,27,41)(20,35,36,48,37,31,38,39)(25,30,44,46,26,40,45,47)(1,4,6,5)(2,8,9,14)(3,11,12,13)(7,15,16,10)(17,20)(18,25)(19,31)(21,36)(22,38)(23,37)(24,40)(26,29)(27,44)(28,45)(30,43)(32,39)(33,48)(34,35)(41,47)(42,46)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.