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)(19,29,31,40,33,44,32,24)(20,34,37,42,38,25,36,43)(30,45,35,39,47,41,46,48)(1,2,5,8)(3,9,10,6)(4,13,12,7)(11,14,16,15)(17,19)(18,24)(20,35)(21,31)(22,32)(23,33)(25,41)(26,29)(27,44)(28,40)(30,37)(34,45)(36,47)(38,46)(39,43)(42,48)(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)(30,39)(32,44)(33,40)(34,38)(35,41)(36,42)(37,43)(45,46)(47,48) involution — undirected(3,10)(6,9)(11,16)(14,15)(17,20,22,37,23,38,21,36)(18,25,27,43,28,34,26,42)(19,30,31,35,33,47,32,46)(24,39,29,41,40,48,44,45)(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)(20,36,38,37)(24,29,40,44)(25,42,34,43)(30,35,47,46)(39,41,48,45)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.