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