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