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