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