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