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