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