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