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