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