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