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