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