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