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