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