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