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