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