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