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