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