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