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