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