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