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)(17,18,21,26,23,28,22,27)(19,29,31,46,33,42,32,47)(20,25,35,43,36,44,37,45)(24,38,39,34,41,48,40,30)(1,3)(2,7,9,16)(4,13)(5,11)(6,12)(8,10,14,15)(17,19,22,32,23,33,21,31)(18,24,27,40,28,41,26,39)(20,34,35,48,36,30,37,38)(25,42,43,47,44,29,45,46)(1,4,6,5)(2,8,9,14)(3,11,12,13)(7,15,16,10)(17,20)(18,25)(19,30)(21,35)(22,37)(23,36)(24,29)(26,43)(27,45)(28,44)(31,38)(32,48)(33,34)(39,46)(40,47)(41,42)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.