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