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