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