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