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