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