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