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