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