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