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