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