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