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