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