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