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