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