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