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