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