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