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)(19,22)(20,28)(21,24)(23,29)(25,27)(26,31)(30,32)(33,34)(35,40)(36,37)(38,39)(41,45)(42,43)(44,46)(47,48)(1,3,7,5)(2,8,4,9)(6,13,14,11)(10,16,12,15)(17,18)(19,25)(20,28)(21,24)(22,27)(23,29)(26,30)(31,32)(34,39)(37,41)(40,46)(43,47)(3,5)(8,9)(11,13)(15,16)(17,18,21,24)(19,25,27,22)(20,23,29,28)(26,31,32,30)(33,35,38,44)(34,40,39,46)(36,42,45,48)(37,43,41,47)(1,4,7,2)(3,9,5,8)(6,12,14,10)(11,16,13,15)(17,18)(19,22)(20,23)(21,24)(25,27)(26,30)(28,29)(31,32)(33,36)(34,41)(35,42)(37,39)(38,45)(40,47)(43,46)(44,48)(1,5,7,3)(2,9,4,8)(6,13,14,11)(10,16,12,15)(17,19)(18,22)(20,26)(21,27)(23,30)(24,25)(28,31)(29,32)(33,35)(34,40)(36,42)(37,43)(38,44)(39,46)(41,47)(45,48)(1,6,7,14)(2,10,4,12)(3,11,5,13)(8,15,9,16)(17,20)(18,23)(19,26)(21,29)(22,30)(24,28)(25,31)(27,32)(33,37,38,41)(34,36,39,45)(35,43,44,47)(40,42,46,48)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.