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