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