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