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