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)(19,27)(20,22)(21,24)(23,25)(26,31)(28,29)(30,32)(33,34,38,39)(35,37,41,47)(36,40,45,48)(42,46,43,44)(1,2,6,3)(4,7,12,9)(5,8,13,10)(11,14,16,15)(17,19,23,21)(18,24,25,27)(20,30,31,28)(22,29,26,32)(33,35)(34,37)(36,43)(38,41)(39,47)(40,44)(42,45)(46,48)(5,13)(8,10)(11,16)(14,15)(18,25)(22,26)(24,27)(29,32)(34,39)(35,41)(40,48)(42,43) involution — undirected(1,3,6,2)(4,7,12,9)(5,10,13,8)(11,14,16,15)(17,20)(18,26)(19,28)(21,30)(22,25)(23,31)(24,29)(27,32)(33,36)(34,40)(35,42)(37,46)(38,45)(39,48)(41,43)(44,47)(1,4,6,12)(2,7,3,9)(5,11,13,16)(8,14,10,15)(17,21,23,19)(18,27,25,24)(20,28,31,30)(22,32,26,29)(33,37)(34,35)(36,44)(38,47)(39,41)(40,43)(42,48)(45,46)(1,5)(2,8)(3,10)(4,11)(6,13)(7,14)(9,15)(12,16)(17,22,23,26)(18,20,25,31)(19,29,21,32)(24,30,27,28)(33,35)(34,37)(36,42)(38,41)(39,47)(40,46)(43,45)(44,48)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.