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