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