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