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