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