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