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