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