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