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