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