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