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