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