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