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