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