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