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