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