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