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