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