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