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