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