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