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