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