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