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