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