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