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