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