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