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