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)(9,15)(10,16)(12,14)(17,18,23,26)(19,20,24,21)(22,25,30,32)(27,28,31,29)(33,34)(35,39)(36,46)(37,41)(38,42)(40,47)(43,45)(44,48)(2,7)(4,8)(9,13)(12,16)(17,19,23,24)(18,21,26,20)(22,27,30,31)(25,29,32,28)(33,35)(34,39)(36,37)(38,45)(40,48)(41,46)(42,43)(44,47)(1,3)(2,8)(4,7)(5,10)(6,11)(9,16)(12,13)(14,15)(17,20,23,21)(18,24,26,19)(22,28,30,29)(25,31,32,27)(33,34)(35,43)(36,40)(37,41)(38,42)(39,45)(44,48)(46,47)(1,4,6,8)(2,3,7,11)(5,12,15,16)(9,10,13,14)(17,19)(18,20)(21,26)(22,27)(23,24)(25,28)(29,32)(30,31)(33,36)(34,40)(35,44)(37,45)(38,47)(39,41)(42,46)(43,48)(1,3)(2,4)(5,14)(6,11)(7,8)(9,16)(10,15)(12,13)(17,21,23,20)(18,19,26,24)(22,28,30,29)(25,31,32,27)(33,37,38,44)(34,41,42,48)(35,36,45,47)(39,46,43,40)(1,5)(2,9)(3,10)(4,12)(6,15)(7,13)(8,16)(11,14)(17,22,23,30)(18,25,26,32)(19,27,24,31)(20,28,21,29)(33,34)(35,39)(36,40)(37,48)(38,42)(41,44)(43,45)(46,47)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.