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