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)(19,24)(25,29)(26,31)(33,34)(35,39)(36,42)(37,45)(38,41)(40,46)(43,48)(44,47)(1,3)(2,8)(4,9)(5,7)(6,13)(10,16)(11,14)(12,15)(17,18,22,23)(19,20,24,27)(21,29,30,25)(26,32,31,28)(33,35,38,36)(34,39,41,42)(37,43,46,44)(40,47,45,48)(2,4)(3,5)(10,12)(11,13)(19,24)(20,27)(26,31)(28,32)(33,36,38,35)(34,39,41,42)(37,44,46,43)(40,47,45,48)(1,4,7,2)(3,9,5,8)(6,12,14,10)(11,16,13,15)(17,19,22,24)(18,20,23,27)(21,26,30,31)(25,28,29,32)(1,5,7,3)(2,9,4,8)(6,13,14,11)(10,16,12,15)(17,20)(18,24)(19,23)(21,28)(22,27)(25,31)(26,29)(30,32)(33,34)(35,42)(36,39)(37,40)(38,41)(43,48)(44,47)(45,46)(1,6,7,14)(2,10,4,12)(3,11,5,13)(8,15,9,16)(17,21,22,30)(18,25,23,29)(19,26,24,31)(20,28,27,32)(33,37)(34,40)(35,43)(36,44)(38,46)(39,47)(41,45)(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.