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