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