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)(18,21)(19,20)(26,29)(27,28)(33,34,39,43)(35,40,44,46)(36,41,45,48)(37,38,42,47)(1,3,7,5)(2,8,10,4)(6,11,15,13)(9,14,16,12)(17,18,23,21)(19,25,20,24)(22,26,30,29)(27,32,28,31)(35,44)(36,45)(40,46)(41,48)(17,19,23,20)(18,24,21,25)(22,27,30,28)(26,31,29,32)(33,35)(34,40)(36,37)(38,41)(39,44)(42,45)(43,46)(47,48)(1,4,7,8)(2,3,10,5)(6,14,15,12)(9,13,16,11)(17,20,23,19)(18,25,21,24)(22,28,30,27)(26,32,29,31)(33,36)(34,41)(35,37)(38,40)(39,45)(42,44)(43,48)(46,47)(1,5,7,3)(2,8,10,4)(6,11,15,13)(9,12,16,14)(17,21,23,18)(19,25,20,24)(22,29,30,26)(27,32,28,31)(33,37)(34,38)(35,36)(39,42)(40,41)(43,47)(44,45)(46,48)(1,6)(2,9)(3,11)(4,12)(5,13)(7,15)(8,14)(10,16)(17,22,23,30)(18,26,21,29)(19,27,20,28)(24,31,25,32)(33,38)(34,42)(35,41)(36,46)(37,43)(39,47)(40,45)(44,48)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.