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