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