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