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