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