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